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Goodwill and Intangible Assets - Intangible Assets by Major Asset Class (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Intangible Assets by Major Class [Line Items]    
Gross $ 128,132 $ 128,132
Accumulated amortization 39,350 39,299
Net book value 88,782 88,833
Trade name, trademark and trade dress and other    
Intangible Assets by Major Class [Line Items]    
Gross 88,590 88,590
Net book value 88,590 88,590
Patents    
Intangible Assets by Major Class [Line Items]    
Gross 31,581 31,581
Accumulated amortization 31,389 31,338
Net book value $ 192 243
Patents | Minimum    
Intangible Assets by Major Class [Line Items]    
Useful Life (years) 2 years  
Patents | Maximum    
Intangible Assets by Major Class [Line Items]    
Useful Life (years) 16 years  
Developed technology and other    
Intangible Assets by Major Class [Line Items]    
Gross $ 7,961 7,961
Accumulated amortization 7,961 7,961
Net book value $ 0 $ 0
Developed technology and other | Minimum    
Intangible Assets by Major Class [Line Items]    
Useful Life (years) 1 year  
Developed technology and other | Maximum    
Intangible Assets by Major Class [Line Items]    
Useful Life (years) 9 years